Granted Patent
Utility
US 4,908,574 · App. 07/225,820
Capacitor array sensors for determining conformity to surface shape
Inventors:
Lawrence J. Rhoades, Donald Risko, Ralph L. Resnick
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Jul 29, 1988
Inventors
Lawrence J. Rhoades
Donald Risko
Ralph L. Resnick
Assignee (at issue)
Extrude Hone GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.